Electronic keyboard



FIG. 1 is a perspective view of an electronic keyboard showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged view at 8-8 line thereof in FIG. 1.

The broken lines immediately adjacent shaded surfaces represent claim boundaries and form no part thereof. 

CLAIM The ornamental design for an electronic keyboard, as shown and described. 